1. if P (-2) = 0, which of the following statements is true about P (×)? a. x + 2 is a factor of P (x) = 0 b. 2 is a root of P (x) = 0 c. P(x) = 0 has two negative roots d. P (0) = —2
2. find a cubic polynomial equation with roots P —2,2 and 4. a.x³ + 4x + 16 = 0 b. x³ —4x² — x + 16 = 0 c. 10x³ —x² — x + 16 = 0 d. x³ —4x + 16 = 0
3. which of the following is Not a root of x(x + 3) (x — 1) (2x + 1) = 0? l. 0 ll. -3 lll. -1 lV.½
a. l only b. ll only c.l and lll only d. lll and lV only
